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athematics">mathematics, the concept of a curve tries to capture the intuitive idea of a geometrical one-dimensional and continuous object. Simple examples are the circle or the straight line. A large number of other curves have been studied in geometry.This article is about the general theory. The term curve is also used in ways making it almost synonymous with mathematical function (as in learning curve), or graph of a function (Phillips curve). See more at Wikipedia.org...

>For the scientific journal named Science, see Science (journal).The scope of this article is limited to empirical sciences. For mathematical sciences, see Mathematics.Science (from Latin scientia - knowledge) is most commonly defined as the investigation or study of nature through observation and reasoning, aimed at finding out the truth. The term science also refers to the organized body of knowledge humans have gained by such research.Most scientists feel that scientific investigation must adhere to the scientific method, a process for evaluating empirical knowledge. Less formally, the word science often describes any systematic field of study or the knowledge gained from it. Particular specialized studies that make use of empirical methods are often referred to as sciences as well. This article concentrates on the more specific definition. See more at Wikipedia.org...